Steven Lewis's Discussions (40)

Discussions Replied To (22) Replies Latest Activity

"Target SH = [(3 x indoor wb) - 80 - ambient] / 2 (°F) Usually, if you are charging…"

Steven Lewis replied Feb 12, 2015 to Target superheat formula

6 Feb 18, 2015
Reply by John Proctor

"this link explains it - http://www.fieldpiece.com/news/article/superheat-overview"

Steven Lewis replied Feb 12, 2015 to Target superheat formula

6 Feb 18, 2015
Reply by John Proctor

"You take the Indoor Wet Bulb and the Outdoor Temp"

Steven Lewis replied Feb 12, 2015 to Target superheat formula

6 Feb 18, 2015
Reply by John Proctor

"Look at Cove heaters.  They are electric panels mounted just below ceiling level on…"

Steven Lewis replied Oct 6, 2011 to Effective heating for handicapped

3 Oct 13, 2011
Reply by Kent Mitchell

"The plastic would need to be rated for the temps the furnace delivers.  Is there a t…"

Steven Lewis replied Jun 13, 2011 to Is this ductwork legal?

2 Jul 10, 2011
Reply by Bill Bradbury

"I tried the AHRI site to look for older units and It doesnt work for units that are…"

Steven Lewis replied Apr 5, 2011 to Where to find EER and SEER if it is not on the label

4 Dec 29, 2012
Reply by Bob Blanchette

"You will have to access the manufacturers information or you can use a Prestons Guid…"

Steven Lewis replied Apr 5, 2011 to Where to find EER and SEER if it is not on the label

4 Dec 29, 2012
Reply by Bob Blanchette

"Yes, I own a HVAC Company in central Kanas,  -  A slight pitch is not a problem but…"

Steven Lewis replied Dec 14, 2010 to Furnace Blower Fan on 100% of the time - Good or Bad or it depends?

71 Dec 23, 2012
Reply by dale conner

"I sent you a friend notice - reply to it and I will email you the contact I have in…"

Steven Lewis replied Dec 6, 2010 to Furnace Blower Fan on 100% of the time - Good or Bad or it depends?

71 Dec 23, 2012
Reply by dale conner

"Trane will get back to you. They are more responsive than most companies but it will…"

Steven Lewis replied Dec 6, 2010 to Furnace Blower Fan on 100% of the time - Good or Bad or it depends?

71 Dec 23, 2012
Reply by dale conner

RSS

Discussion Forum

joining ducts

Started by Don Fugler. Last reply by David Butler 2 hours ago. 7 Replies

HVAC integration – the past, the present, and the future

Started by Igor Mitbarg. Last reply by Lucifer Prescott Apr 11. 1 Reply

Target superheat formula

Started by Miguel Orduno. Last reply by John Proctor Feb 18, 2015. 6 Replies

Latest Activity

David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Static pressure drop through a straight length of pipe is a function of friction rate, and friction…"
2 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Apparently the air passing over the PVC creates a strong static field that in turn impedes air flow."
2 hours ago
David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Why would you think PVC has high resistance?"
2 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Thanks David - I was going to look at PVC for the HRV but was cautioned against it, not because of…"
3 hours ago
David Butler replied to Don Fugler's discussion joining ducts in the group HVAC
"Great post, Sean. I agree that screws are wise when joining metal ducts, but its also true that…"
3 hours ago
David Butler posted a discussion

Welcome Home Performance Forum Members (formerly RESNET BPI - Energy Audit and Home Performance)

Last month the Home Performance Forum merged with Home Energy Pros, now under the Home Performance…See More
4 hours ago
Sean Wiens replied to Don Fugler's discussion joining ducts in the group HVAC
"Various studies have indicated very little air flow along surface of duct (for ventilation - have…"
5 hours ago
Dara Bowser replied to Don Fugler's discussion joining ducts in the group HVAC
"Hi Don. We have never considered screws as impeding airflow, but I can see how in some ducts (e.g.…"
6 hours ago

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